X-Git-Url: https://git.whamcloud.com/?a=blobdiff_plain;f=lustre%2Fobdclass%2Fobdo.c;h=45cb2f4f8b1c11931870157b3fcfb97ee03107b9;hb=45332712783a4756bf5930d6bd5f697bbc27acdb;hp=774f0baa873854b0f502098efdcc07d87fc3d32d;hpb=90dfed8469d46f4b79ebdff8121eb109b5db6746;p=fs%2Flustre-release.git diff --git a/lustre/obdclass/obdo.c b/lustre/obdclass/obdo.c index 774f0ba..45cb2f4 100644 --- a/lustre/obdclass/obdo.c +++ b/lustre/obdclass/obdo.c @@ -1,6 +1,4 @@ -/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*- - * vim:expandtab:shiftwidth=8:tabstop=8: - * +/* * GPL HEADER START * * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. @@ -26,8 +24,10 @@ * GPL HEADER END */ /* - * Copyright 2008 Sun Microsystems, Inc. All rights reserved + * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved. * Use is subject to license terms. + * + * Copyright (c) 2012, 2014, Intel Corporation. */ /* * This file is part of Lustre, http://www.lustre.org/ @@ -41,24 +41,88 @@ */ #define DEBUG_SUBSYSTEM S_CLASS -#ifndef EXPORT_SYMTAB -# define EXPORT_SYMTAB -#endif -#ifndef __KERNEL__ -#include -#include -#else +#include +#ifdef HAVE_UIDGID_HEADER +# include +#endif #include #include -#endif -void obdo_cpy_md(struct obdo *dst, struct obdo *src, obd_flag valid) +void obdo_set_parent_fid(struct obdo *dst, const struct lu_fid *parent) { -#ifdef __KERNEL__ - CDEBUG(D_INODE, "src obdo "LPX64" valid "LPX64", dst obdo "LPX64"\n", - src->o_id, src->o_valid, dst->o_id); -#endif + dst->o_parent_oid = fid_oid(parent); + dst->o_parent_seq = fid_seq(parent); + dst->o_parent_ver = fid_ver(parent); + dst->o_valid |= OBD_MD_FLGENER | OBD_MD_FLFID; +} +EXPORT_SYMBOL(obdo_set_parent_fid); + +/* WARNING: the file systems must take care not to tinker with + attributes they don't manage (such as blocks). */ +void obdo_from_inode(struct obdo *dst, struct inode *src, u64 valid) +{ + u64 newvalid = 0; + + if (valid & (OBD_MD_FLCTIME | OBD_MD_FLMTIME)) + CDEBUG(D_INODE, "valid "LPX64", new time %lu/%lu\n", + valid, LTIME_S(src->i_mtime), + LTIME_S(src->i_ctime)); + + if (valid & OBD_MD_FLATIME) { + dst->o_atime = LTIME_S(src->i_atime); + newvalid |= OBD_MD_FLATIME; + } + if (valid & OBD_MD_FLMTIME) { + dst->o_mtime = LTIME_S(src->i_mtime); + newvalid |= OBD_MD_FLMTIME; + } + if (valid & OBD_MD_FLCTIME) { + dst->o_ctime = LTIME_S(src->i_ctime); + newvalid |= OBD_MD_FLCTIME; + } + if (valid & OBD_MD_FLSIZE) { + dst->o_size = i_size_read(src); + newvalid |= OBD_MD_FLSIZE; + } + if (valid & OBD_MD_FLBLOCKS) { /* allocation of space (x512 bytes) */ + dst->o_blocks = src->i_blocks; + newvalid |= OBD_MD_FLBLOCKS; + } + if (valid & OBD_MD_FLBLKSZ) { /* optimal block size */ + dst->o_blksize = 1U << src->i_blkbits; + newvalid |= OBD_MD_FLBLKSZ; + } + if (valid & OBD_MD_FLTYPE) { + dst->o_mode = (dst->o_mode & S_IALLUGO) | + (src->i_mode & S_IFMT); + newvalid |= OBD_MD_FLTYPE; + } + if (valid & OBD_MD_FLMODE) { + dst->o_mode = (dst->o_mode & S_IFMT) | + (src->i_mode & S_IALLUGO); + newvalid |= OBD_MD_FLMODE; + } + if (valid & OBD_MD_FLUID) { + dst->o_uid = from_kuid(&init_user_ns, src->i_uid); + newvalid |= OBD_MD_FLUID; + } + if (valid & OBD_MD_FLGID) { + dst->o_gid = from_kgid(&init_user_ns, src->i_gid); + newvalid |= OBD_MD_FLGID; + } + if (valid & OBD_MD_FLFLAGS) { + dst->o_flags = src->i_flags; + newvalid |= OBD_MD_FLFLAGS; + } + dst->o_valid |= newvalid; +} +EXPORT_SYMBOL(obdo_from_inode); + +void obdo_cpy_md(struct obdo *dst, const struct obdo *src, u64 valid) +{ + CDEBUG(D_INODE, "src obdo "DOSTID" valid "LPX64", dst obdo "DOSTID"\n", + POSTID(&src->o_oi), src->o_valid, POSTID(&dst->o_oi)); if (valid & OBD_MD_FLATIME) dst->o_atime = src->o_atime; if (valid & OBD_MD_FLMTIME) @@ -81,179 +145,27 @@ void obdo_cpy_md(struct obdo *dst, struct obdo *src, obd_flag valid) dst->o_gid = src->o_gid; if (valid & OBD_MD_FLFLAGS) dst->o_flags = src->o_flags; + if (valid & OBD_MD_FLFID) { + dst->o_parent_seq = src->o_parent_seq; + dst->o_parent_ver = src->o_parent_ver; + } if (valid & OBD_MD_FLGENER) - dst->o_generation = src->o_generation; + dst->o_parent_oid = src->o_parent_oid; if (valid & OBD_MD_FLHANDLE) dst->o_handle = src->o_handle; - if (valid & OBD_MD_FLCOOKIE) - dst->o_lcookie = src->o_lcookie; dst->o_valid |= valid; } EXPORT_SYMBOL(obdo_cpy_md); -/* returns FALSE if comparison (by flags) is same, TRUE if changed */ -int obdo_cmp_md(struct obdo *dst, struct obdo *src, obd_flag compare) +void obdo_to_ioobj(const struct obdo *oa, struct obd_ioobj *ioobj) { - int res = 0; + ioobj->ioo_oid = oa->o_oi; + if (unlikely(!(oa->o_valid & OBD_MD_FLGROUP))) + ostid_set_seq_mdt0(&ioobj->ioo_oid); - if ( compare & OBD_MD_FLATIME ) - res = (res || (dst->o_atime != src->o_atime)); - if ( compare & OBD_MD_FLMTIME ) - res = (res || (dst->o_mtime != src->o_mtime)); - if ( compare & OBD_MD_FLCTIME ) - res = (res || (dst->o_ctime != src->o_ctime)); - if ( compare & OBD_MD_FLSIZE ) - res = (res || (dst->o_size != src->o_size)); - if ( compare & OBD_MD_FLBLOCKS ) /* allocation of space */ - res = (res || (dst->o_blocks != src->o_blocks)); - if ( compare & OBD_MD_FLBLKSZ ) - res = (res || (dst->o_blksize != src->o_blksize)); - if ( compare & OBD_MD_FLTYPE ) - res = (res || (((dst->o_mode ^ src->o_mode) & S_IFMT) != 0)); - if ( compare & OBD_MD_FLMODE ) - res = (res || (((dst->o_mode ^ src->o_mode) & ~S_IFMT) != 0)); - if ( compare & OBD_MD_FLUID ) - res = (res || (dst->o_uid != src->o_uid)); - if ( compare & OBD_MD_FLGID ) - res = (res || (dst->o_gid != src->o_gid)); - if ( compare & OBD_MD_FLFLAGS ) - res = (res || (dst->o_flags != src->o_flags)); - if ( compare & OBD_MD_FLNLINK ) - res = (res || (dst->o_nlink != src->o_nlink)); - if ( compare & OBD_MD_FLGENER ) - res = (res || (dst->o_generation != src->o_generation)); - /* XXX Don't know if thses should be included here - wasn't previously - if ( compare & OBD_MD_FLINLINE ) - res = (res || memcmp(dst->o_inline, src->o_inline)); - */ - return res; -} -EXPORT_SYMBOL(obdo_cmp_md); - -void obdo_to_ioobj(struct obdo *oa, struct obd_ioobj *ioobj) -{ - ioobj->ioo_id = oa->o_id; - if (oa->o_valid & OBD_MD_FLGROUP) - ioobj->ioo_gr = oa->o_gr; - else - ioobj->ioo_gr = 0; - ioobj->ioo_type = oa->o_mode; + /* Since 2.4 this does not contain o_mode in the low 16 bits. + * Instead, it holds (bd_md_max_brw - 1) for multi-bulk BRW RPCs */ + ioobj->ioo_max_brw = 0; } EXPORT_SYMBOL(obdo_to_ioobj); - -void obdo_from_iattr(struct obdo *oa, struct iattr *attr, unsigned int ia_valid) -{ - if (ia_valid & ATTR_ATIME) { - oa->o_atime = LTIME_S(attr->ia_atime); - oa->o_valid |= OBD_MD_FLATIME; - } - if (ia_valid & ATTR_MTIME) { - oa->o_mtime = LTIME_S(attr->ia_mtime); - oa->o_valid |= OBD_MD_FLMTIME; - } - if (ia_valid & ATTR_CTIME) { - oa->o_ctime = LTIME_S(attr->ia_ctime); - oa->o_valid |= OBD_MD_FLCTIME; - } - if (ia_valid & ATTR_SIZE) { - oa->o_size = attr->ia_size; - oa->o_valid |= OBD_MD_FLSIZE; - } - if (ia_valid & ATTR_MODE) { - oa->o_mode = attr->ia_mode; - oa->o_valid |= OBD_MD_FLTYPE | OBD_MD_FLMODE; - if (!cfs_curproc_is_in_groups(oa->o_gid) && - !cfs_capable(CFS_CAP_FSETID)) - oa->o_mode &= ~S_ISGID; - } - if (ia_valid & ATTR_UID) { - oa->o_uid = attr->ia_uid; - oa->o_valid |= OBD_MD_FLUID; - } - if (ia_valid & ATTR_GID) { - oa->o_gid = attr->ia_gid; - oa->o_valid |= OBD_MD_FLGID; - } -} -EXPORT_SYMBOL(obdo_from_iattr); - -void iattr_from_obdo(struct iattr *attr, struct obdo *oa, obd_flag valid) -{ - valid &= oa->o_valid; - - if (valid & (OBD_MD_FLCTIME | OBD_MD_FLMTIME)) - CDEBUG(D_INODE, "valid "LPX64", new time "LPU64"/"LPU64"\n", - oa->o_valid, oa->o_mtime, oa->o_ctime); - - attr->ia_valid = 0; - if (valid & OBD_MD_FLATIME) { - LTIME_S(attr->ia_atime) = oa->o_atime; - attr->ia_valid |= ATTR_ATIME; - } - if (valid & OBD_MD_FLMTIME) { - LTIME_S(attr->ia_mtime) = oa->o_mtime; - attr->ia_valid |= ATTR_MTIME; - } - if (valid & OBD_MD_FLCTIME) { - LTIME_S(attr->ia_ctime) = oa->o_ctime; - attr->ia_valid |= ATTR_CTIME; - } - if (valid & OBD_MD_FLSIZE) { - attr->ia_size = oa->o_size; - attr->ia_valid |= ATTR_SIZE; - } -#if 0 /* you shouldn't be able to change a file's type with setattr */ - if (valid & OBD_MD_FLTYPE) { - attr->ia_mode = (attr->ia_mode & ~S_IFMT)|(oa->o_mode & S_IFMT); - attr->ia_valid |= ATTR_MODE; - } -#endif - if (valid & OBD_MD_FLMODE) { - attr->ia_mode = (attr->ia_mode & S_IFMT)|(oa->o_mode & ~S_IFMT); - attr->ia_valid |= ATTR_MODE; - if (!cfs_curproc_is_in_groups(oa->o_gid) && - !cfs_capable(CFS_CAP_FSETID)) - attr->ia_mode &= ~S_ISGID; - } - if (valid & OBD_MD_FLUID) { - attr->ia_uid = oa->o_uid; - attr->ia_valid |= ATTR_UID; - } - if (valid & OBD_MD_FLGID) { - attr->ia_gid = oa->o_gid; - attr->ia_valid |= ATTR_GID; - } -} -EXPORT_SYMBOL(iattr_from_obdo); - -void md_from_obdo(struct md_op_data *op_data, struct obdo *oa, obd_flag valid) -{ - iattr_from_obdo(&op_data->op_attr, oa, valid); - if (valid & OBD_MD_FLBLOCKS) { - op_data->op_attr_blocks = oa->o_blocks; - op_data->op_attr.ia_valid |= ATTR_BLOCKS; - } - if (valid & OBD_MD_FLFLAGS) { - ((struct ll_iattr *)&op_data->op_attr)->ia_attr_flags = - oa->o_flags; - op_data->op_attr.ia_valid |= ATTR_ATTR_FLAG; - } -} -EXPORT_SYMBOL(md_from_obdo); - -void obdo_from_md(struct obdo *oa, struct md_op_data *op_data, - unsigned int valid) -{ - obdo_from_iattr(oa, &op_data->op_attr, valid); - if (valid & ATTR_BLOCKS) { - oa->o_blocks = op_data->op_attr_blocks; - oa->o_valid |= OBD_MD_FLBLOCKS; - } - if (valid & ATTR_ATTR_FLAG) { - oa->o_flags = - ((struct ll_iattr *)&op_data->op_attr)->ia_attr_flags; - oa->o_valid |= OBD_MD_FLFLAGS; - } -} -EXPORT_SYMBOL(obdo_from_md);